WO2018196103A1 - Procédé et dispositif de transmission de données - Google Patents

Procédé et dispositif de transmission de données Download PDF

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Publication number
WO2018196103A1
WO2018196103A1 PCT/CN2017/087238 CN2017087238W WO2018196103A1 WO 2018196103 A1 WO2018196103 A1 WO 2018196103A1 CN 2017087238 W CN2017087238 W CN 2017087238W WO 2018196103 A1 WO2018196103 A1 WO 2018196103A1
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WO
WIPO (PCT)
Prior art keywords
transmission
area
query
indication information
terminal device
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PCT/CN2017/087238
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English (en)
Chinese (zh)
Inventor
韩云博
庄宏成
丁志明
杜振国
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780044300.1A priority Critical patent/CN109479284B/zh
Publication of WO2018196103A1 publication Critical patent/WO2018196103A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • Embodiments of the present application relate to the field of communications, and more particularly, to a method and apparatus for transmitting data in the field of communications.
  • the network system will introduce non-authorized (grant free, grant-free, grantless or without grant) mode to transmit data.
  • the unlicensed mode is that the network device divides the unlicensed transmission area into the terminal device, and the terminal device adopts the transmission in the unlicensed transmission area.
  • the resource sends uplink data, and does not require the terminal device to implement uplink data transmission through the request, which can reduce the delay and help save signaling overhead.
  • the terminal device transmits the uplink data by using the transmission resource in the unlicensed transmission area
  • different terminal devices may select the same transmission resource, causing conflicts between different terminal devices.
  • multiple terminal devices may be in the non- The transmission resources of the same or partially overlapping are selected in the authorized transmission area, so that the probability of collision is high, and the probability of failure of data transmission is also high, so that the reliability of data transmission is reduced.
  • the embodiment of the present application provides a method and an apparatus for transmitting data, which are beneficial to improving reliability of transmitted data.
  • the first aspect provides a method for transmitting data, where the network device sends the first indication information to the terminal device in the first query area, where the first indication information is used to indicate that the first query area is not authorized.
  • the network device sends the first indication information to the terminal device, and the terminal device determines, according to the allocation condition of the transmission resource in the unlicensed transmission area indicated by the first indication information, the available transmission resource of the transmission data, instead of Directly and randomly selecting the transmission resources in the unlicensed transmission area helps to reduce the probability of collision between different terminal devices, and also reduces the probability of data transmission failure, and is beneficial to improving the reliability of the transmission data.
  • the retransmitted terminal device may send the retransmitted data in the pre-allocated transmission resource according to the first indication information, and the initially transmitted terminal device is in the unallocated transmission resource.
  • the initial data is sent internally, so that the conflict between the retransmitted terminal device and the initially transmitted terminal device can be reduced, thereby improving the reliability of the transmitted data.
  • the first indication information may indicate that the retransmitted first terminal device transmits the retransmission data by using the first transmission resource in the unlicensed transmission area, and the first indication information may indicate that the retransmitted second terminal device adopts the unlicensed transmission.
  • the second transmission resource in the area transmits the retransmission data, and the first terminal device is different from the second terminal device, and the first transmission resource is different from the second transmission resource, so that the conflict of the transmission data between the retransmitted terminal devices can be reduced. Can improve the reliability of the transmitted data.
  • the network device may send the first indication information to the one or more terminal devices, that is, the one or more terminal devices include the terminal device, and in the embodiment of the present application, avoiding the description, only Take a terminal device as an example for description.
  • the unlicensed transmission area corresponding to the first query area may be one or more, that is, the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area may be one or more unauthorized transmissions.
  • the allocation of transmission resources in the area may be one or more unauthorized transmissions.
  • the data that is sent by the terminal device according to the first indication information includes a control part (which may also be referred to as control signaling or control domain or signaling data or signaling part) and/or a data part (also referred to as a service). data).
  • control part which may also be referred to as control signaling or control domain or signaling data or signaling part
  • data part also referred to as a service. data
  • the allocation of the transmission resources in the unlicensed transmission area may be that the transmission resources in the unlicensed transmission area are allocated, or which transmission resources in the unlicensed transmission area are not allocated, that is, the transmission resources in the unlicensed transmission area. It consists of pre-allocated transmission resources and unallocated transmission resources.
  • the pre-allocated transmission resource may be a pre-allocated transmission resource for retransmitting data or a pre-allocated transmission resource for transmitting a data portion.
  • the transmission resource in the unlicensed transmission area may be at least one of a time-frequency resource, a code domain, a power domain, and a pattern.
  • the method before the sending, by the network device, the first indication information to the terminal device in the first query area, includes: sending, by the network device, second indication information to the terminal device, where The second indication information is used to indicate a transmission resource location where the one or more query areas are located and/or a mapping relationship between the one or more query areas and one or more unauthorized transmission areas, the one or more The query area includes the first query area, and the one or more unlicensed transmission areas include an unlicensed transmission area corresponding to the first query area.
  • the network device may indicate, by using an indication information, a location of the transmission resource where the one or more query areas are located, and the network device may also indicate, by using two different indication information, one or more query areas.
  • the location of the transmission resource and the mapping relationship for example, the second indication information indicates the mapping relationship, and the third indication information indicates a location of a transmission resource where the one or more query areas are located.
  • the message carrying the second indication information and the message for sending the one or more unlicensed transmission areas may be the same message or different messages, which is not limited in this embodiment of the present application.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area;
  • the unlicensed transmission area corresponding to the first query area receives the data that is sent by the terminal device according to the first indication information, and includes: pre-allocated transmission of the network device in the unlicensed transmission area corresponding to the first query area Receiving, by the network device, the retransmission data sent by the terminal device; or the network device receiving the initial transmission data sent by the terminal device on a transmission resource that is not allocated by the unlicensed transmission area corresponding to the first query area.
  • the first indication information is used to indicate pre-allocated transmission resources and/or unallocated transmission resources in the unlicensed transmission area corresponding to the first query area, and the pre-allocated transmission resources may be used to transmit retransmission data. Or, it can also be used to transmit data parts. Unallocated transmission resources can be used to transmit initial data, or can be used to transmit control parts.
  • the retransmitted terminal device sends retransmission data on the pre-allocated transmission resource
  • the initial transmission terminal device sends the initial transmission data on the unallocated transmission resource, so that the initially transmitted terminal device and the heavy
  • the transmitted terminal device does not select the same transmission resource, and can avoid collision or collision between the retransmitted terminal device and the initially transmitted terminal device, which is beneficial to improving the reliability of the transmitted data.
  • the receiving, by the network device, the data that is sent by the terminal device according to the first indication information, in the unlicensed transmission area corresponding to the first query area that: the network device is in the first query area Retransmitting the retransmitted data sent by the terminal device with a first probability on the pre-allocated transmission resource of the corresponding unlicensed transmission area; the unallocated transmission resource of the unlicensed transmission area corresponding to the first query area of the network device Retrieving the retransmission data sent by the terminal device with a second probability, the first probability is greater than the second probability, and the sum of the first probability and the second probability is 1, so that the terminal device When the network device sends retransmission data, select pre-allocated The probability of transmitting resources is greater than the probability of unallocated transmission resources, so that unallocated transmission resources can be used to transmit the initial transmission data, and to some extent, the collision between the initial transmission terminal device and the retransmission terminal device can be reduced. Can improve the reliability of transmitted data.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in the unlicensed transmission area corresponding to the first query area; Receiving, by the unlicensed transmission area corresponding to the queried area, the data that is sent by the terminal device according to the first indication information, where the network device is not allocated transmission resources in the unlicensed transmission area corresponding to the first query area Receiving the initial transmission data sent by the terminal device with a third probability; the network device receiving the initial transmission by the terminal device with the fourth probability on the transmission resource pre-allocated by the unlicensed transmission area corresponding to the first query area Transmitting data, the third probability is greater than the fourth probability, the sum of the third probability and the fourth probability is 1, and the probability of selecting an unallocated transmission resource is greater than a probability of a pre-allocated transmission resource, such that The pre-allocated transmission resource can be used to transmit retransmission data, and to some extent, the collision between the initial transmission terminal device and the retransmission terminal
  • the retransmission data is data that is retransmitted by the terminal device after the network device sends the NACK feedback to the terminal device.
  • the network device sends the second indication information, where the network device sends the second indication information to all the terminal devices covered by the cell, and the terminal device that sends the retransmission data may be the first part of the terminal devices of all the terminal devices covered by the cell.
  • the terminal device that sends the initial data may be the terminal device of the second part of all the terminal devices that are covered by the cell.
  • the first part of the terminal device and the second part of the terminal device may be different terminal devices, which is not limited in this embodiment. .
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area; Receiving, by the unlicensed transmission area corresponding to the first query area, the data that is sent by the terminal device according to the first indication information, including: the first unlicensed transmission area of the network device corresponding to the first query area Receiving the control part sent by the terminal device on the allocated transmission resource; or the network device receiving the terminal device according to the pre-allocated transmission resource of the second unlicensed transmission area corresponding to the first query area
  • the data portion transmitted by the control portion wherein the data includes the control portion and/or the data portion.
  • the first unlicensed transmission area is different from the second unlicensed transmission area.
  • the first unlicensed transmission area belongs to an unauthorized transmission area before the second unlicensed transmission area in the time domain, and the terminal device may be in the The control portion is transmitted on the unallocated transmission resource of the first unauthorized transmission area, and the second unauthorized transmission area of the terminal device behind the time domain transmits the data portion according to the control portion.
  • the first query area is an ACK area
  • the first indication information is further used to indicate whether data of the third unlicensed transmission area is successfully received, and the third unlicensed transmission area time domain
  • the non-authorized transmission area corresponding to the first query area is in the time domain behind the first query area.
  • the first query area may be an ACK area in the prior art, and the indication information of the ACK area may indicate whether the data is successfully received, and may indicate the transmission resource in the unlicensed transmission area corresponding to the ACK area.
  • the allocation situation prevents the first query area from occupying new transmission resources, which can save resource overhead.
  • the first indication information is specifically used to indicate that the first location of the ACK area corresponds to The data of the second location of the third unlicensed transmission area is successfully received, and is used to indicate that the transmission resource corresponding to the third location of the first location is not allocated, and the third location is a non-corresponding to the first query area.
  • Authorizing the transmission resource location in the transmission area; or the first indication information is further used to indicate that the data of the second location is not successfully received and is used to indicate that the transmission resource of the third location has been pre-allocated.
  • the first indication information is further configured to indicate that the data of the second location is not successfully received, to indicate that the transmission resource of the third location has been pre-allocated, and to pre-allocate the transmission resource of the third location.
  • the sending, by the network device, the first indication information to the terminal device in the first query area where: when the network device does not successfully receive the data sent by the terminal device, the network device is The first query area sends the first indication information to the terminal device.
  • the network device when the network device does not successfully transmit the initial transmission data and/or the retransmission data, the network device considers that the terminal device needs to perform retransmission, and the network device may be the terminal device that needs to be retransmitted. Determining which transmission resources in the unlicensed transmission area are pre-allocated as retransmitted transmission resources; optionally, when the network device receives the control part sent by the terminal device, the network device considers that the terminal device sends the data part according to the control part Then, the network device may determine, for the terminal device that needs to send the data part, which transmission resources in the unlicensed transmission area are pre-allocated as transmission resources of the transmission data part.
  • the method before the sending, by the network device, the first indication information to the terminal device in the first query area, the method further includes: the network device sending, to the terminal device, transmission area configuration information, where The transmission area configuration information is used to indicate that the terminal device of the mMTC type uses one or more unlicensed transmission areas corresponding to one or more query areas to transmit data and the terminal device of the URLLC type adopts one or more query areas when the initial transmission fails.
  • One or more unauthorized transmission areas transmit data.
  • the network device may broadcast the transmission area configuration information to all the terminal devices where the cell is located by using the broadcast message or the multicast message, and the terminal device of the mMTC type adopts one or more non- The authorized transmission area transmits data, and the terminal device of the URLLC type transmits data by using the unlicensed transmission area of the prior art.
  • the terminal device of the URLLC type fails to transmit in the prior art unauthorized transmission area, the device is switched to the embodiment of the present application.
  • One or more unauthorized transmission areas to improve the reliability of the transmitted data.
  • the sending, by the network device, the second indication information to the terminal device includes: sending, by the network device, the second indication information to the terminal device by using a broadcast or multicast message.
  • the sending, by the network device, the first indication information to the terminal device where the network device sends the first query area to the terminal by using a system information block SIB message or a broadcast message or a multicast message.
  • the device sends the first indication information.
  • a second aspect provides a method for transmitting data, where the terminal device receives, in a first query area, first indication information that is sent by a network device, where the first indication information is used to indicate that the first query area corresponds to a non- Authorizing the allocation of the transmission resource in the transmission area; the terminal device determining, according to the allocation situation indicated by the first indication information, the first used in transmitting data in the unlicensed transmission area corresponding to the first query area Transmitting a resource; the terminal device transmitting data to the network device on the first transmission resource.
  • the terminal device may determine, according to the transmission resource allocation situation in the unlicensed transmission area indicated by the first indication information, the transmission resource of the transmission data, instead of directly and randomly selecting the transmission resource in the unlicensed transmission area,
  • the terminal device can avoid these pre-allocated transmission resources for initial transmission, or Avoiding these pre-allocated transmission resource transmission control parts; or the terminal equipment may retransmit using pre-allocated transmission resources, or may transmit data parts by using pre-assigned transmission resources, thereby helping to reduce the probability of collision between different terminal devices Improve the reliability of transmitted data.
  • the retransmitted terminal device may send the retransmitted data in the pre-allocated transmission resource according to the first indication information, and the initially transmitted terminal device is in the unassigned transmission.
  • the initial data is transmitted in the resource, so that the conflict between the retransmitted terminal device and the initially transmitted terminal device can be reduced, thereby improving the reliability of the transmitted data.
  • the first indication information may indicate that the retransmitted first terminal device uses the first part of the unlicensed transmission area to transmit the retransmission data
  • the first indication information may indicate that the retransmitted second terminal device uses the unlicensed transmission.
  • the second part of the area transmits the resource transmission retransmission data
  • the first terminal device is different from the second terminal device
  • the first part of the transmission resource is different from the second part of the transmission resource, so that the transmission data between the retransmitted terminal devices can be reduced.
  • Conflicts improve the reliability of transmitted data. If the terminal device is the first terminal device, the terminal device uses the first part of the transmission resource to transmit the retransmission data. If the terminal device is the second terminal device, the terminal device uses the second part of the transmission resource to transmit the weight. The data is transmitted, so that collisions between the retransmitted terminal devices can be avoided, thereby improving the reliability of the transmitted data.
  • the unlicensed transmission area corresponding to the first query area may be one or more.
  • the transmission resource in the unlicensed transmission area may be at least one of a time-frequency resource, a code domain, a power domain, and a pattern.
  • the receiving, by the terminal device, the first indication information sent by the network device in the first query area that: the terminal device receives, by using the SIB message, a broadcast message, or multicasting, by the network device in the first query area.
  • the first indication information sent by the message that: the terminal device receives, by using the SIB message, a broadcast message, or multicasting, by the network device in the first query area.
  • the method before the receiving, by the terminal device, the first indication information sent by the network device, the method further includes: receiving, by the terminal device, second indication information sent by the network device, where The second indication information is used to indicate a transmission resource location where the one or more query areas are located and/or a mapping relationship between the one or more query areas and one or more unauthorized transmission areas, the one or more The query area includes the first query area, the one or more unlicensed transmission areas include an unlicensed transmission area corresponding to the first query area, and the first query indicated by the terminal device according to the second indication information The location of the transmission resource where the zone is located determines the first query area.
  • the second indication information may also indicate a transmission resource location where one or more unauthorized transmission areas are located.
  • the terminal device determines the unlicensed transmission area corresponding to the first query area according to the correspondence between the one or more query areas and the one or more unlicensed transmission areas indicated by the second indication information.
  • the first message may carry the second indication information, where the first message may also carry the location of the transmission resource where the one or more unlicensed transmission areas are located, or may not be carried. Not limited.
  • the terminal device receives the second indication information that is sent by the network device, where the terminal device receives the second indication information that is sent by the network device by using a broadcast message or a multicast message.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area; Determining, by the first indication information, the first transmission resource that is used to send data in the unlicensed transmission area corresponding to the first query area, where the terminal device is in the first query area according to the first indication information Determining a pre-allocated transmission resource in the corresponding unlicensed transmission area, and determining the pre-allocated transmission resource as the first transmission resource; And transmitting, by the terminal device, the data to the network device on the first transmission resource, where the terminal device sends retransmission data to the network device on the first transmission resource.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area; Determining, by the first indication information, the first transmission resource that is used to send data in the unlicensed transmission area corresponding to the first query area, where the terminal device is in the first query area according to the first indication information Determining an unallocated transmission resource in the corresponding unlicensed transmission area, and determining the unallocated transmission resource as the first transmission resource; the terminal device transmitting data to the network device on the first transmission resource, The method includes: the terminal device transmitting initial data to the network device on the first transmission resource.
  • the retransmitted terminal device sends retransmission data on the pre-allocated transmission resource
  • the initial transmission terminal device sends the initial transmission data on the unallocated transmission resource, so that the initially transmitted terminal device and the heavy
  • the transmitted terminal device does not select the same transmission resource, and can avoid collision or collision between the retransmitted terminal device and the initially transmitted terminal device, and contribute to reliable data transmission.
  • the terminal device sends data to the network device on the first transmission resource, including: the terminal device selects a transmission resource that has been pre-allocated with a first probability, and selects by using a first probability
  • the pre-assigned transmission resource is used as the first transmission resource, and the terminal device sends retransmission data to the network device on the first transmission resource; or includes: the terminal device has selected a second probability An unallocated transmission resource, and the unallocated transmission resource selected by the second probability is used as the first transmission resource, and the terminal device sends retransmission data to the network device on the first transmission resource, where The first probability is greater than the second probability, and the sum of the first probability and the second probability is 1, such that when the terminal device sends retransmission data to the network device, the probability of selecting the pre-allocated transmission resource is The probability of being larger than the unallocated transmission resource, so that the unallocated transmission resource can be used to transmit the initial transmission data, and to some extent, the initial transmission terminal device and the retrans
  • the terminal device sends data to the network device on the first transmission resource, including: the terminal device selects a transmission resource that is not pre-allocated with a third probability, and selects with a third probability
  • the non-pre-allocated transmission resource is used as the first transmission resource, and the terminal device sends the initial transmission data to the network device on the first transmission resource; or includes: the terminal device has selected the fourth probability a pre-allocated transmission resource, and the pre-allocated transmission resource selected by the fourth probability is used as the first transmission resource, where the terminal device sends the initial transmission data to the network device on the first transmission resource, where
  • the third probability is greater than the fourth probability, and the sum of the third probability and the fourth probability is 1, such that when the terminal device sends the initial data to the network device, the probability of selecting the unallocated transmission resource is The probability of being greater than the pre-allocated transmission resource, so that the pre-allocated transmission resource can be used to transmit the retransmitted data, and to some extent, the initial transmission terminal device and
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area; Determining, by the first indication information, the first transmission resource that is used to send data in the unlicensed transmission area corresponding to the first query area, where the terminal device is in the first query area according to the first indication information Determining an unallocated transmission resource in the corresponding unlicensed transmission area, and determining the unallocated transmission resource as the first transmission resource; the terminal device transmitting the first transmission resource to the network device Data, including: the terminal device transmitting a control part to the network device on the first transmission resource, where the data includes the control part And/or the data portion.
  • the message carrying the control part or the data part may be an uplink unauthorized message.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area; Determining, by the first indication information, the first transmission resource that is used to send data in the unlicensed transmission area corresponding to the first query area, where the terminal device is in the first query area according to the first indication information Determining a pre-allocated transmission resource in the corresponding unlicensed transmission area, and determining the pre-allocated transmission resource as the first transmission resource; the terminal device transmitting the first transmission resource to the network device
  • the data includes: the terminal device transmitting a data portion to the network device according to the control portion on the first transmission resource; wherein the data includes the control portion and/or the data portion.
  • the first query area is an ACK area
  • the first indication information is further used to indicate whether data of the third unlicensed transmission area is successfully received, and the third unlicensed transmission area time domain
  • the non-authorized transmission area corresponding to the first query area is behind the first query area in the time domain; wherein the terminal device is configured according to the non-authorized transmission area corresponding to the first query area. Determining, by the first indication information, the first transmission resource that is used to send data in the unlicensed transmission area corresponding to the first query area, where the terminal device determines, according to the first indication information, the third non- Whether the data of the authorized transmission area is successfully received and the first transmission resource is determined according to the transmission resource allocation situation in the unlicensed transmission area corresponding to the first query area.
  • the first indication information is further configured to indicate that the data of the second location is not successfully received, to indicate that the transmission resource of the third location has been pre-allocated, and to pre-allocate the transmission resource of the third location.
  • the first indication information is specifically used to indicate that data of the second location of the third unlicensed transmission area corresponding to the first location of the ACK area is successfully received, and is used to indicate that the first location corresponds to The third location is not allocated, and the third location is a location of the transmission resource in the unlicensed transmission area corresponding to the first query area; or the first indication information is further used to indicate the second The location data is not successfully received and is used to indicate that the transmission resource of the third location has been pre-allocated.
  • the method before the receiving, by the terminal device, the first indication information sent by the network device, the method further includes: the terminal device receiving, by the network device, the transmission area configuration information, where The transmission area configuration information is used to indicate that the terminal device of the mMTC type uses one or more unlicensed transmission areas corresponding to one or more query areas to transmit data and the terminal device of the URLLC type adopts one or more query areas when the initial transmission fails.
  • the corresponding one or more unlicensed transmission areas transmit data; if the terminal device is a terminal device of the mMTC type, the terminal device uses one or more query areas according to the transmission area configuration information when the initial transmission fails.
  • One or more unauthorized transmission areas transmit data.
  • the receiving, by the terminal device, the sending, by the network device, the transmission area configuration information that: the terminal device receives the transmission area configuration information that is sent by the network device by using a broadcast message or a multicast message.
  • a third aspect provides a method for transmitting data, where the method includes: the network device sends second indication information to the terminal device, where the second indication information is used to indicate a resource location and a location where the one or more query areas are located A mapping relationship between one or more query areas and one or more unauthorized transmission areas.
  • the network device may configure, by using the second indication information, a transmission resource where one or more query areas are located, and a mapping relationship between one or more query areas and one or more unauthorized transmission areas, where For example, when the mapping relationship is required, the terminal device may determine the unlicensed transmission area corresponding to the query area according to the mapping relationship, and may transmit data according to the unlicensed transmission area corresponding to the query area.
  • the method before the sending, by the network device, the second indication information to the terminal device, the method further includes: determining, by the network device, a transmission resource and one or more query areas where the one or more query areas are located A mapping relationship between one or more unauthorized transmission areas.
  • the network device may send the second indication information to the at least one terminal device, where the at least one terminal device includes the terminal device, for example, the at least one terminal device may be sent by using a broadcast message or a multicast message. Second indication information.
  • the method further includes: the network device reporting the first query area in the one or more query areas to the The terminal device sends the first indication information, where the first indication information is used to indicate the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area; the network device corresponds to the first query area.
  • the unlicensed transmission area receives data sent by the terminal device according to the first indication information.
  • how the first indication information indicates the transmission allocation of the unlicensed transmission area corresponding to the first query area may refer to the description in the first aspect. To avoid redundancy, details are not described herein.
  • a fourth aspect provides a method for transmitting data, where the method includes: receiving, by a terminal device, second indication information sent by a network device, where the second indication information is used to indicate a location of a transmission resource where one or more query areas are located And a mapping relationship between the one or more query areas and the plurality of unlicensed transmission areas; the terminal device determines, according to the second indication information, a transmission resource location of the one or more query areas and the one Or an unlicensed transmission area corresponding to the first query area in the plurality of query areas.
  • the method further includes: the terminal device receiving the first query area in the one or more query areas. a first indication information that is sent by the network device, where the first indication information is used to indicate an allocation of transmission resources in an unlicensed transmission area corresponding to the first query area; and the terminal device is configured according to the first indication information. Determining, in the unlicensed transmission area corresponding to the first query area, a transmission resource used for transmitting data; and the terminal device transmitting data to the network device on the transmission resource.
  • how the first indication information indicates the transmission allocation of the unlicensed transmission area corresponding to the first query area may refer to the description in the second aspect. To avoid redundancy, details are not described herein.
  • a fifth aspect provides a method for transmitting data, the method comprising: the first device sending a first message to one or more second devices, indicating a location of the at least one unauthorized transmission area and at least one non-authorization pre- Using a location of the query area, and a mapping relationship between the unauthorized transmission area and the unauthorized pre-used query area; the first device in the at least one unauthorized transmission pre-use query area to the one Or the second device sends a second message, indicating a transmission resource that is pre-allocated (that is, has been subscribed to) in the at least one unauthorized transmission area that is mapped to the at least one unauthorized transmission pre-use query area.
  • the first device may be a network device
  • the second device may be a terminal device.
  • the first message includes the foregoing second indication information.
  • the first message may be a broadcast or multicast message.
  • the first message may be an SIB message.
  • the second message includes the foregoing first indication information, and optionally, the second message may be a broadcast or multicast message.
  • the method further includes: the first device receiving a third message, the third message An initial message transmitted in a transmission resource that is not allocated for use by the second device of the first one of the one or more second devices in the unlicensed transmission area.
  • the second device of the first part is the foregoing terminal device that sends the initial data.
  • the third message includes the foregoing initial data, and optionally, the third message may be an uplink unauthorized message.
  • the method further includes: the first device receiving a fourth message, where the fourth message is a second device of the second portion of the one or more second devices A retransmitted message sent in a transmission resource pre-allocated in the authorized transmission area.
  • the second device of the second part may be the foregoing terminal device that sends retransmission data.
  • the fourth message includes the foregoing retransmission data, and optionally, the fourth message may be an uplink non-authorization message.
  • the retransmitted message refers to a message that the second device resends by the second device after the first device sends the NACK feedback to the second device of the second portion.
  • the method further includes: the first device receiving a fifth message, the fifth message being a second device of the third portion of the one or more second devices in the non-
  • the message sent in the transmission resource that is not allocated for use in the authorized transmission area is used to indicate at least the complete or truncated identifier of the second device of the third part, and does not include information of the data part.
  • the fifth message may include the aforementioned control portion.
  • the second device of the third part may be the terminal device of the foregoing sending control part and/or the terminal device that sends the data part.
  • the fifth message further includes an MCS of information of the data portion, and/or a data portion size.
  • the method further includes: the first device receiving a sixth message, where the sixth message is a second device of the third portion of the one or more second devices
  • the message sent in the transmission resource pre-allocated in the authorized transmission area is used to carry the information of the data part; the first device receives the sixth message according to the indication in the fifth message.
  • the sixth message includes the aforementioned data portion.
  • the fifth message and the sixth message are separated by different unlicensed transmission areas, that is, the first unlicensed transmission area and the second unlicensed transmission area are different.
  • the fifth message does not carry information for the data portion.
  • the second device of the third portion is a second device in the one or more second devices that is scheduled for uplink unlicensed transmission.
  • a sixth aspect provides a method for transmitting data, the method comprising: receiving, by a second device, a first message sent by a first device, where the first message indicates a location of at least one unauthorized transmission area and at least one unauthorized Pre-using a location of the query area, and a mapping relationship between the unauthorized transmission area and the unauthorized pre-used query area; the second device receiving the in the at least one unauthorized transmission pre-use query area And a second message sent by the first device, where the second message indicates a transmission resource that has been pre-allocated for use in the at least one unauthorized transmission area that is mapped to the at least one unauthorized transmission pre-used query area.
  • the first device may be a network device
  • the second device may be a terminal device.
  • the first message includes the foregoing second indication information, and the second indication information may also indicate at least one The location of the unlicensed transmission area and the location of the at least one unauthorized pre-used query area, and the mapping relationship between the unauthorized transmission area and the unauthorized pre-used query area.
  • the first message may be a broadcast message or a multicast message, and optionally, the first message may be an SIB message.
  • the second message includes the foregoing first indication information, and optionally, the second message may be a broadcast message or a multicast message.
  • the second device sends a third message to the first device, where the third message is a transmission resource that is not pre-allocated by the second device in the unauthorized transmission area.
  • the initial message sent in is a transmission resource that is not pre-allocated by the second device in the unauthorized transmission area.
  • the third message includes the foregoing initial data, and optionally, the third message may be an uplink unauthorized message.
  • the second device sends a fourth message to the first device, where the fourth message is sent by the second device in a transmission resource pre-allocated in the unlicensed transmission area. Retransmission of the message.
  • the fourth message includes the foregoing retransmission data, and optionally, the fourth message may be an uplink non-authorization message.
  • the retransmitted message is a message that is resent after the second device receives the NACK feedback sent by the first device.
  • the second device sends a fifth message to the first device, where the fifth message is a transmission resource that is not pre-allocated by the second device in the unauthorized transmission area.
  • the message sent in at least is used to indicate the identity of the second device that is complete or truncated, and does not include information of the data portion.
  • the fifth message may include the aforementioned control portion.
  • the fifth message is information that does not carry a data part.
  • the fifth message further includes an MCS of information of the data portion, and/or a data portion size.
  • the second device sends a sixth message to the first device, where the sixth message is that the second device of the third part of the one or more second devices is in the non- A message sent in a transmission resource that has been pre-allocated in the authorized transmission area to carry information of the data part.
  • the sixth message includes the aforementioned data portion.
  • the fifth message and the sixth message are separated into different unauthorized transmission areas.
  • apparatus for transmitting data for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • an apparatus for transmitting data for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • the apparatus comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a ninth aspect a system for transmitting data, comprising the apparatus of the seventh aspect or any alternative implementation thereof, and the apparatus of the eighth aspect or any alternative implementation thereof.
  • apparatus for transmitting data for performing the method of any of the above-described third aspect or any of the possible implementations of the third aspect.
  • the apparatus comprises means for performing the method of any of the possible implementations of the third aspect or the third aspect described above.
  • an apparatus for transmitting data for performing the method of any of the above-described fourth aspect or any of the possible implementations of the fourth aspect.
  • the apparatus includes means for performing the fourth aspect or the fourth aspect described above The unit of the method in any possible implementation.
  • a twelfth aspect a system for transmitting data, comprising the apparatus of the tenth aspect or any alternative implementation thereof, and the apparatus of the eleventh aspect or any alternative implementation thereof.
  • apparatus for transmitting data for performing the method of any of the above fifth or fifth possible aspects.
  • the apparatus comprises means for performing the method of any of the possible implementations of the fifth or fifth aspect above.
  • apparatus for transmitting data for performing the method of any of the above-described sixth or sixth possible implementations.
  • the apparatus comprises means for performing the method of any of the possible implementations of the sixth or sixth aspect described above.
  • a fifteenth aspect a system for transmitting data, comprising the apparatus of the thirteenth aspect or any alternative implementation thereof, and the apparatus of the fourteenth aspect or any alternative implementation thereof.
  • an apparatus for transmitting data comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the processor executes the instructions stored by the memory the executing causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
  • an apparatus for transmitting data comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the processor executes the instructions stored by the memory the executing causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
  • an apparatus for transmitting data comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the processor executes the instructions stored by the memory the executing causes the processor to perform the method of any of the possible implementations of the third aspect or the third aspect.
  • an apparatus for transmitting data comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the processor executes the instructions stored by the memory the executing causes the processor to perform the method of any of the possible implementations of the fourth aspect or the fourth aspect.
  • an apparatus for transmitting data comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the processor executes the instructions stored by the memory the executing causes the processor to perform the method of any of the possible implementations of the fifth aspect or the fifth aspect.
  • an apparatus for transmitting data comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the execution causes the processor to execute The method of any of the possible implementations of the sixth aspect or the sixth aspect.
  • a twenty-second aspect a computer readable storage medium having instructions stored therein that, when run on a computer, cause the computer to perform any of the possibilities of the first aspect or the first aspect The method in the implementation.
  • a twenty-third aspect a computer readable storage medium having instructions stored in a computer, when executed on a computer, causing the computer to perform any of the possible aspects of the second aspect or the second aspect The method in the implementation.
  • a twenty-fourth aspect a computer readable storage medium having instructions stored therein that, when run on a computer, cause the computer to perform any of the possibilities of the third aspect or the third aspect The method in the implementation.
  • a twenty-fifth aspect a computer readable storage medium having instructions stored in a computer, when executed on a computer, causing the computer to perform any of the possible aspects of the fourth aspect or the fourth aspect The method in the implementation.
  • a twenty-sixth aspect a computer readable storage medium having instructions stored therein that, when run on a computer, cause the computer to perform any of the fifth or fifth aspects The method in the implementation.
  • a twenty-seventh aspect a computer readable storage medium having instructions stored in a computer, when executed on a computer, causing the computer to perform any of the possible aspects of the sixth aspect or the sixth aspect The method in the implementation.
  • FIG. 1 is a schematic diagram of a communication system applied to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of transmission resources in an embodiment of the present application.
  • FIG. 3 is a schematic diagram of another transmission resource in the embodiment of the present application.
  • FIG. 4 is a schematic diagram of a method for transmitting data according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of still another transmission resource of an embodiment of the present application.
  • FIG. 6 is a schematic diagram of another method for transmitting data according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of still another method for transmitting data according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of still another transmission resource of an embodiment of the present application.
  • FIG. 9 is a schematic diagram of still another method for transmitting data according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of still another transmission resource of an embodiment of the present application.
  • FIG. 11 is a schematic diagram of still another transmission resource of an embodiment of the present application.
  • FIG. 12 is a schematic diagram of still another transmission resource of an embodiment of the present application.
  • FIG. 13 is a schematic diagram of still another method for transmitting data according to an embodiment of the present application.
  • FIG. 14 is a schematic diagram of still another transmission resource of an embodiment of the present application.
  • FIG. 15 is a schematic diagram of still another transmission resource of an embodiment of the present application.
  • FIG. 16 is a schematic block diagram of an apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 17 is a schematic block diagram of another apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 18 is a schematic block diagram of still another apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 19 is a schematic block diagram of still another apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 20 is a schematic block diagram of another apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 21 is a schematic block diagram of still another apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 22 is a schematic block diagram of still another apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 23 is a schematic block diagram of still another apparatus for transmitting data according to an embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA Wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • FIG. 1 shows a communication system 100 to which an embodiment of the present application is applied.
  • the communication system 100 can include a terminal device 110 and a terminal device 120, and the terminal device 110 and the terminal device 120 can refer to an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, and a user terminal.
  • terminal wireless communication device, user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication.
  • the network device 130 may be a network side device that performs wireless communication with the terminal device 110 and the terminal device 120, for example, a wireless-fidelity (Wi-Fi) access point, and a base station for next-generation communication.
  • Wi-Fi wireless-fidelity
  • 5G gNB or small station, micro station, transmission reception point (TRP) may also be base stations in 2G, 3G and 4G, and may also be relay stations, access points, in-vehicle devices, wearable devices Wait.
  • the same or partially overlapping transmission resources may be selected, such that the terminal device 110
  • the network device may indicate the usage of the transmission resource in the unlicensed transmission area of the terminal device, for example, pre-allocation of part of the transmission resource in the unlicensed transmission area, and the terminal device 120 may collide with the terminal device 120.
  • the transmission resource other than the transmission resource pre-allocated to transmit the retransmission data is the transmission resource for transmitting the initial transmission data; for example, part of the transmission resource in the unlicensed transmission area is pre-allocated as the transmission resource.
  • the transmission resource of the data part, except the transmission resource pre-allocated as the transmission resource of the transmission data part, is the transmission resource of the transmission control part, so that the terminal device determines the transmission of the transmission data according to the use of the transmission resource in the unlicensed transmission area. Resources can reduce conflicts between different terminal devices, which is beneficial to High reliability data transmission.
  • the transmission resource may include, but is not limited to, a combination of one or more of the following transmission resources: a time domain resource, such as a radio frame, a subframe, a symbol, etc.; a frequency domain resource, such as a subcarrier, a resource block. Airspace resources, such as transmit antennas, beams, etc.; code domain resources, such as sparse code multiple access (SCMA) codebook group, low density signature (LDS) group, CDMA code group Etc; uplink pilot resources; Of course, the transmission resource may also include other transmission resources, such as a power domain or a pattern, which is not limited in this embodiment of the present application.
  • a time domain resource such as a radio frame, a subframe, a symbol, etc.
  • a frequency domain resource such as a subcarrier, a resource block.
  • Airspace resources such as transmit antennas, beams, etc.
  • code domain resources such as sparse code multiple access (SCMA) codebook group, low density signature (LDS) group, CD
  • the foregoing transmission resource may be transmitted according to, but not limited to, the following control mechanisms: uplink power control, such as uplink transmission power upper limit control, etc.; modulation and coding mode setting, such as transmission block size, code rate, modulation order Number setting, etc.; retransmission mechanism, such as Hybrid Automatic Repeat Request (HARQ).
  • uplink power control such as uplink transmission power upper limit control, etc.
  • modulation and coding mode setting such as transmission block size, code rate, modulation order Number setting, etc.
  • retransmission mechanism such as Hybrid Automatic Repeat Request (HARQ).
  • HARQ Hybrid Automatic Repeat Request
  • the mapping relationship between the query area and the unlicensed transmission area may be one-to-one correspondence, or one query area may correspond to multiple unlicensed transmission areas, or multiple query areas may correspond to one non-authorization.
  • the transmission area may be an unlicensed transmission area corresponding to one query area shown in FIG. 2, the query area 1 corresponds to the unlicensed transmission area 1, the query area 2 corresponds to the unlicensed transmission area 2, and the query area 3 corresponds to the unlicensed transmission area. 3.
  • the queried area in FIG. 3 corresponds to multiple unlicensed transmission areas, and the queried area 1 corresponds to the unlicensed transmission area 1, the unlicensed transmission area 2, and the unlicensed transmission area 3. Any restrictions.
  • the network device 130 in the system 100 can adopt an unlicensed transmission scheme, which can be applied to uplink data transmission.
  • the terminal device does not need to request the network device to allocate transmission resources through the scheduling request mode, but directly contends for the transmission resources and performs uplink data transmission, thereby reducing system signaling overhead and reducing transmission delay.
  • Unauthorized transmission can be understood as any one or more of the following meanings, or as a combination of some of the various technical meanings:
  • the unlicensed transmission may be: the network device pre-allocates and informs the terminal device of the unauthorized transmission area; when the terminal device has the uplink data transmission requirement, select at least one transmission resource from the unlicensed transmission area pre-allocated by the network device, and use the selected one.
  • the transmission resource sends the uplink data; the network device detects the uplink data sent by the terminal device on the at least one transmission resource in the pre-assigned unlicensed transmission area.
  • the detection may be blind detection, or may be detected according to one of the control domains in the uplink data, or may be detected by other means.
  • This blind detection can be understood as the detection of data that may arrive without predicting whether or not data has arrived. This blind detection can also be understood as detection without explicit signaling indication.
  • the unlicensed transmission may be: the network device pre-allocates and informs the terminal device of the unauthorized transmission area, so that when the terminal device has the uplink data transmission requirement, at least one transmission resource is randomly selected from the unlicensed transmission area pre-allocated by the network device. And send the uplink data using the selected transmission resource.
  • the unlicensed transmission may refer to a method for realizing uplink data transmission of the terminal device without dynamic scheduling of the network device.
  • the dynamic scheduling may refer to that the transmission resource of the terminal device for each uplink data transmission needs to be signaled by the network device.
  • the transmission resource may be one or more transmission time units of transmission resources after the time when the terminal device receives the signaling.
  • a transmission time unit may refer to a minimum time unit for one transmission, such as a transmission time interval (TTI), the value may be 1 ms, or may be a preset transmission time unit.
  • implementing uplink data transmission of the terminal device may be understood as allowing data of two or more terminal devices to perform uplink data transmission on the same time-frequency resource.
  • Unauthorized transmission may refer to: the terminal device performs uplink data transmission without requiring network device authorization.
  • the authorization may be that the terminal device sends an uplink scheduling request to the network device, and after receiving the scheduling request, the network device sends an uplink grant (UL grant) to the terminal device, where the uplink grant is used to indicate the uplink transmission allocated to the terminal device. Resources.
  • the unlicensed transmission may be a competitive transmission mode. Specifically, multiple terminal devices may simultaneously perform uplink data transmission on the same time-frequency resources allocated in advance, without requiring network devices to perform authorization.
  • the above data may be a data portion or a control portion.
  • FIG. 4 shows a communication method 200 of an embodiment of the present application.
  • the method 200 can be applied to the communication system 100 shown in FIG. 1, but the embodiment of the present application is not limited thereto.
  • the network device sends the first indication information to the terminal device in the first query area, where the first indication information is used to indicate the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area.
  • the allocation of the transmission resources in the unlicensed transmission area may be that the transmission resources in the unlicensed transmission area are pre-allocated, or which transmission resources in the unlicensed transmission area are not allocated, that is, the transmission in the unlicensed transmission area.
  • a resource consists of pre-allocated transport resources and unallocated transport resources.
  • the pre-allocated transmission resource may be an allocated transmission resource for retransmitting data or a transmission resource allocated for transmitting a data portion.
  • the method further includes: the network device sending the second indication information to the terminal device, the terminal device receiving the second indication information sent by the network device, the second The indication information is used to indicate a transmission resource location where the one or more query areas are located and/or a mapping relationship between the one or more query areas and one or more unauthorized transmission areas, the one or more query areas Including the first query area, the one or more unlicensed transmission areas include an unlicensed transmission area corresponding to the first query area; where the first query area indicated by the terminal device according to the second indication information is located The location of the transmission resource determines the first query area.
  • the network device may indicate, by using an indication information, a location of the transmission resource where the one or more query areas are located, and the network device may also indicate, by using two different indication information, one or more query areas.
  • the location of the transmission resource and the mapping relationship for example, the second indication information indicates the mapping relationship, and the third indication information indicates a location of a transmission resource where the one or more query areas are located.
  • the second indication information may indicate a transmission resource location where one or more query areas are located, a transmission resource location where one or more unauthorized transmission areas are located, and the one or more query areas and the first Or a mapping relationship between the plurality of unauthorized transmission areas; or the network device may indicate, by using at least one indication information, a transmission resource location where the one or more query areas are located, and a transmission resource where one or more unauthorized transmission areas are located a location, and a mapping relationship between the one or more query areas and the first or more unlicensed transmission areas, where the at least one indication information includes the first indication information, which is not used by the embodiment of the present application. Any restrictions.
  • the network device may send the second indication information to the terminal device, where the terminal device determines, according to the second indication information, a transmission resource location where one or more query areas are located, when the terminal device moves to one or more query areas.
  • the terminal device determines, according to the second indication information, a transmission resource location where one or more query areas are located, when the terminal device moves to one or more query areas.
  • the unlicensed transmission area corresponding to the first query area is determined according to the mapping relationship, and then the transmission resource in the unlicensed transmission area corresponding to the first query area is indicated according to the first indication information.
  • the allocation situation determines the transmission resource of the transmitted data.
  • the one or more query areas are used by the network device to send the first indication information, and are also used by the terminal device to receive the first indication information, where the transmission resource of the one or more query areas may be determined by the network device, and each There are corresponding unlicensed transmission areas in all query areas.
  • the sending, by the network device, the second indication information to the terminal device may include: sending, by the network device, the second indication information to the at least one terminal device by using a broadcast message or a multicast message, where the at least one terminal The device includes the terminal device.
  • the terminal device receives the second indication information sent by the network device, where the terminal device receives the second indication information that is sent by the network device by using a broadcast message or a multicast message.
  • S210 includes: when the network device does not successfully receive the data sent by the terminal device, but the network device can identify that the sending end of the data that is not successfully received is the terminal.
  • the device sends the first indication information to the terminal device in the first query area, that is, when a terminal device needs to retransmit, the network device may pre-allocate the transmission for the terminal device that needs to be retransmitted. Resources.
  • the timing of the first indication information sent by the network device may also be a periodic transmission, and is not limited to resending the first indication information when the data sent by the terminal device is not successfully received; or the first indication information is also
  • the transmission resource in the unlicensed transmission area corresponding to the first query area may not be allocated, and the transmission resource in the unlicensed transmission area corresponding to the first query area may be used to transmit the initial transmission data.
  • S210 includes: the network device sends the first indication information to the terminal device in the first query area by using a system information block SIB message or a broadcast message or a multicast message.
  • the terminal device receives the first indication information that is sent by the network device in the first query area by using an SIB message or a broadcast message or a multicast message.
  • the terminal device receives the first indication information that is sent by the network device in the first query area, where the terminal device determines, according to the first indication information, the data used in the unlicensed transmission area corresponding to the first query area.
  • the first transmission resource The first transmission resource.
  • the first query area is an acknowledge/negative acknowledge (ACK/NACK) area.
  • ACK/NACK acknowledge/negative acknowledge
  • an acknowledgement/negative acknowledgement area is provided for convenience of description.
  • the first indication information is further used to indicate whether the data of the third unlicensed transmission area is successfully received, and the third unlicensed transmission area corresponds to the first query area in the time domain.
  • the unlicensed transmission area corresponding to the first query area is behind the first query area in the time domain; S220, the terminal device determines, according to the first indication information, Determining whether the data of the third unlicensed transmission area is successfully received and determining the first transmission resource according to the transmission resource allocation situation in the unlicensed transmission area corresponding to the first query area.
  • the first indication information is specifically used to indicate that the data of the second location of the third unlicensed transmission area corresponding to the first location of the ACK area is successfully received, and is used to indicate that the first location corresponds to The transmission resource in the third location is not allocated, and the third location is a transmission resource location in the unlicensed transmission area corresponding to the first query area; or the first indication information is further used to indicate the second location.
  • the data is not successfully received and is used to indicate that the transmission resource of the third location has been pre-allocated.
  • the network device when the first query area is an ACK area, the network device is not required to allocate a new transmission resource as the transmission resource location of the query area, but uses the existing ACK as the location of the query area, for example, the ACK area.
  • the 0 of the first location also indicates the first corresponding to the first location.
  • the transmission resource of the third location in the unlicensed area corresponding to the query area is pre-allocated to retransmit the data that the second location of the third unlicensed transmission area is not successfully received; when the first position in the ACK area is 1, it indicates The data in the second location is successfully received, and the data in the second location does not need to be retransmitted.
  • the 1 in the first location also indicates that the transmission resource in the third location is unallocated, that is, the transmission data is successful, and no transmission is required.
  • the resource retransmits the data, and the transmission resource of the third location can transmit the initially transmitted data, thereby saving resource overhead and improving resource utilization efficiency.
  • the first indication information is further used to indicate that the data of the second location is not successfully received, that the transmission resource of the third location is pre-allocated, and that the third location is pre-allocated
  • the number of terminal devices that transmit resources For example, when the first location is 2, it means that the data of the two terminal devices in the second location is not The transmission resource that is successfully received, and the third location corresponding to the second location is pre-allocated by two terminal devices. Specifically, different terminal devices transmit data on the same pre-allocated transmission resource through multiple access technology. to realise.
  • the terminal device sends data to the network device on the first transmission resource, where the network device receives the terminal device according to the first indication in an unlicensed transmission area corresponding to the first query area.
  • the data sent by the message is not limited to the first transmission resource.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource or an unallocated transmission resource in the unlicensed transmission area corresponding to the first query area, for example, the first indication in FIG.
  • the information indicates that the resource block 1, the resource block 3, and the resource block 9 in the unlicensed transmission area 2 corresponding to the inquiry area 2 are pre-allocated.
  • the S220 includes: when the first indication information is used to indicate the pre-allocated transmission resource, the terminal device may determine the pre-allocated transmission resource as a transmission resource of the retransmission data, or a transmission resource determined to transmit the data part, The terminal device determines the unallocated transmission resource from the transmission resource except the pre-allocated transmission resource in the unlicensed transmission area corresponding to the first query area, and the terminal device determines the unallocated transmission resource as the transmission resource of the initial transmission data, or determines For transmitting the transmission resource of the control part; when the first indication information is used to indicate the unallocated transmission resource, the terminal device may determine the unallocated transmission resource as the transmission resource of the initial transmission data, or determine the transmission resource of the transmission control part.
  • the terminal device determines, in the unlicensed transmission area corresponding to the first query area, a transmission resource other than the unallocated transmission resource as the pre-allocated transmission resource, and the terminal device determines the pre-allocated transmission resource as the transmission resource of the retransmission data.
  • the first indication information indication may indicate a pre-allocated transmission resource and an unallocated transmission resource in the unlicensed transmission area corresponding to the first query area, for example, the first query area corresponds to
  • the first example, S220 includes: the terminal device determines, according to the first indication information, a pre-allocated transmission resource in an unlicensed transmission area corresponding to the first query area, and the pre-allocated transmission resource Determining as the first transmission resource; S230, comprising: the terminal device transmitting retransmission data to the network device on the first transmission resource; and receiving, by the network device, the terminal device in the first transmission resource (the first The retransmission data sent on the pre-allocated transmission resource of the unlicensed transmission area corresponding to the query area.
  • the terminal device sends retransmission data to the network device by using a first probability on the transmission resource pre-allocated by the unlicensed transmission area corresponding to the first query area; the terminal device is in the first query area with a second probability
  • the retransmission data is sent to the network device on the unallocated transmission resource of the corresponding unlicensed transmission area, and the first probability is greater than the second probability, that is, when the terminal device sends the retransmission data, the probability of selecting the pre-allocated transmission resource is greater than the unallocated The probability of transmitting resources.
  • the second example, S220 includes: the terminal device determines, according to the first indication information, an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area, and determines the unallocated transmission resource as The first transmission resource: S230, the terminal device sends initial data to the network device on the first transmission resource, and the network device receives the first transmission resource in the first device (the first The initial transmission data sent on the unallocated transmission resource corresponding to the unlicensed transmission area corresponding to the query area.
  • the terminal device is unassigned in the unlicensed transmission area corresponding to the first query area by a third probability.
  • the fourth probability that is, the probability that the terminal device selects the unallocated transmission resource when transmitting the initial transmission data is greater than the probability of the pre-allocated transmission resource, so that the conflict between the initial transmission terminal device and the retransmitted terminal device can be avoided. Therefore, the reliability of the transmitted data can be improved.
  • the first probability is greater than the fourth probability
  • the third probability is greater than the second probability
  • the sum of the first probability and the second probability is 1
  • the sum of the third probability and the fourth probability is 1.
  • the initially transmitted terminal device uses unallocated transmission resources, and the retransmitted terminal device uses pre-allocated transmission resources, so that the conflict between the initially transmitted terminal device and the retransmitted terminal device can be reduced. Improve the reliability of transmitted data.
  • the third example, S220 includes: the terminal device determines, according to the first indication information, an unallocated transmission resource in an unlicensed transmission area corresponding to the first query area, and the unallocated transmission resource Determining to be the first transmission resource; S230, comprising: the terminal device transmitting a control part to the network device on the first transmission resource; and receiving, by the network device, the terminal device in the first transmission resource a control part for transmitting an unallocated transmission resource corresponding to the unlicensed transmission area of the first query area, wherein the data includes the control part and/or the data part.
  • the terminal device sends the control part to the network device on the unallocated transmission resource of the unlicensed transmission area corresponding to the first query area by using the fifth probability; the terminal device corresponds to the first query area with a sixth probability
  • the non-authorized transmission area transmits the control part to the network device on the pre-allocated transmission resource, and the fifth probability is greater than the sixth probability, that is, when the terminal device sends the control part, the probability of selecting the unallocated transmission resource is greater than the pre-allocated transmission resource.
  • the probability of this in this way, can avoid conflicts between the control part and the data part, thereby improving the reliability of the transmitted data.
  • the fourth example, S220 includes: the terminal device determines, according to the first indication information, a pre-allocated transmission resource in an unlicensed transmission area corresponding to the first query area, and the pre-allocated transmission resource Determining to be the first transmission resource; S230, comprising: the terminal device transmitting a data part to the network device according to the control part on the first transmission resource; the network device receiving the terminal device And a data part sent by the first transmission resource (a transmission resource pre-allocated by the unlicensed transmission area corresponding to the first query area), wherein the data includes the control part and/or the data part.
  • the terminal device sends the data part to the network device on the transmission resource pre-allocated by the unlicensed transmission area corresponding to the first query area by using the seventh probability; the terminal device corresponds to the first query area by the eighth probability
  • the unlicensed transmission area transmits the data part to the network device on the unallocated transmission resource, and the seventh probability is greater than the eighth probability, that is, when the terminal device sends the data part, the probability of selecting the pre-allocated transmission resource is greater than the unallocated transmission resource.
  • the sum of the fifth probability and the sixth probability is 1, and the sum of the seventh probability and the eighth probability is 1.
  • the network device when the terminal device sends the initial data to the network device, the network device detects the data sent by the terminal device on the unallocated transmission resource of the unlicensed transmission area corresponding to the first query area, for example, The method may be a blind check.
  • the network device detects the data sent by the terminal device on the pre-allocated transmission resource of the unlicensed transmission area corresponding to the first query area, for example, may be a blind check.
  • the network device may detect retransmission data sent by the specific terminal device on the specific pre-allocated transmission resource.
  • the first indication information sent by the network device indicates that when the multiple terminal equipment retransmits multiple transmission resources, the network device blindly detects data in the multiple transmission resources, when the first indication information indicates a specific Terminal equipment uses a specific transmission When resources are used, network devices directly detect data on specific transmission resources.
  • the network device may configure an unlicensed transmission area, for example, the network device sends transmission area configuration information to the at least one terminal device, where the at least one terminal device includes the terminal device, where The transmission area configuration information is used to indicate that a mass machine type communication (mMTC) type terminal device transmits data and low-latency high-reliability communication by using one or more unlicensed transmission areas corresponding to one or more query areas.
  • mMTC mass machine type communication
  • the terminal device of the type (ultra-reliable and low latency communications, URLLC) transmits data by using one or more unlicensed transmission areas corresponding to one or more query areas when the initial transmission fails.
  • URLLC ultra-reliable and low latency communications
  • the network device may broadcast the transmission area configuration information to all the terminal devices where the cell is located by using a broadcast message or a multicast message, where the terminal device of the mMTC type adopts one or more unauthorized transmission areas in the embodiment of the present application.
  • the terminal device of the URLLC type transmits the data by using the unlicensed transmission area of the prior art, and switches to one or more of the embodiments in the present application when the terminal device of the URLLC type fails in the initial transmission of the unauthorized transmission area of the prior art. Unauthorized transmission areas to improve the reliability of transmitted data.
  • FIG. 6 shows another method 300 for transmitting data provided by an embodiment of the present application, including:
  • the network device sends second indication information to the terminal device, where the second indication information is used to indicate a transmission resource location where the one or more query areas are located, and the one or more query areas and one or more unauthorized transmissions.
  • the method further includes: determining, by the network device, a transmission resource location where one or more query areas are located and between the one or more query areas and one or more unauthorized transmission areas Mapping relationship.
  • the terminal device receives the second indication information sent by the network device, where the terminal device determines, according to the second indication information, a transmission resource location of the one or more query areas and a first one of the one or more query areas. Query the unlicensed transmission area corresponding to the area.
  • the method further includes: the network device sending first indication information to the terminal device in a first query area of the one or more query areas, the first The indication information is used to indicate the allocation of the transmission resource in the unlicensed transmission area corresponding to the first query area; the network device receives the terminal device according to the unlicensed transmission area corresponding to the first query area according to the The first indicates the data sent by the information.
  • FIG. 7 shows a method 400 provided by an embodiment of the present application, including:
  • the first device determines at least one unlicensed transmission area, where the unlicensed transmission area is used for uplink unlicensed data transmission, and the at least one unlicensed transmission area may include at least a transmission resource of a time-frequency domain.
  • the unlicensed transmission area may also include transmission resources other than the time-frequency domain, such as a code domain, a power domain, a pattern, etc., to be applicable to a plurality of different multiple access technologies, and details are not described herein again.
  • the at least one unauthorized transmission area in S310 includes the unlicensed transmission area corresponding to the first query area in the foregoing method 200 and method 300.
  • the first device determines at least one query area (one or more of the foregoing query areas) corresponding to the at least one unlicensed transmission (one or more unlicensed transmission areas, and the at least one query area) Authorization of the mapping relationship of the transmission area.
  • the foregoing first indication information sent in the at least one query area is used to indicate a transmission resource pre-allocated for use in an unlicensed transmission area mapped thereto.
  • the Query Area 1 and the Query Area 3 are respectively mapped with the Unauthorized Transmission Area 1 and the Unauthorized Transmission Area 3, and the first device sends the first indication information in the Query Area 2 to indicate the pre-allocated transmission resources in the Unauthorized Transmission Area 2, such as Resource block 1, resource block 3, and resource block 9 are pre-allocated for use.
  • the mapping relationship between the at least one query area and the at least one unauthorized transmission area may be one-to-one correspondence, that is, one query area corresponds to one unauthorized transmission area; the mapping relationship may also be one-to-many, that is, one query area. Corresponding to multiple unlicensed transmission areas; the mapping relationship may also be many-to-one, that is, multiple query areas correspond to one unauthorized transmission area.
  • each of the query areas may be mapped to at least one unlicensed transmission area, and in the one or more unlicensed transmission areas confirmed by the first device in S310, some unlicensed transmission areas may not need to be associated with any query area. Mapping, which is an unauthorized transmission area of the prior art.
  • the first device sends a first message to the at least one second device, where the second device may be the foregoing terminal device, where the first message includes second indication information, where the second indication information indicates the at least one unauthorized transmission area. And a transmission resource location, a transmission resource location of the at least one query area, and a mapping relationship between the at least one unauthorized transmission area and the at least one query area.
  • the first message may be a system information block (SIB), that is, the first device may send the at least one unauthorized to the at least one second device by using a system message. a transmission resource location of the transmission area and a transmission resource location of the at least one query area, and a corresponding mapping relationship.
  • SIB system information block
  • the at least one second device receives the first message sent by the first device, and obtains the second indication information in the first message, and acquires, according to the second indication information, a transmission resource location of the at least one unauthorized transmission area, at least one Querying a transmission resource location of the area, and a mapping relationship between the at least one unauthorized transmission area and the at least one query area.
  • the first device sends a second message to the at least one second device in the at least one query area, where the at least one query area includes the foregoing first query area, where the second message includes the first indication information.
  • the first indication information is used to indicate a pre-allocated transmission resource in the at least one unlicensed transmission area that is mapped to the at least one query area. It should be understood that, for the convenience of description, the first indication information indicates the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area, and the first query area may be any one of the one or more query areas. Therefore, in the following examples, the first indication information may indicate the allocation of transmission resources in the unlicensed transmission area corresponding to any one of the query areas.
  • the first device is in the query area 2 to at least one second device (such as UE1 to UE5, where UE1 and UE3 are UEs scheduled to be retransmitted, and UE2, UE4, and UE5 are planned initial UEs)
  • the second message includes first indication information, where the first indication information indicates that in the unlicensed transmission area 2 mapped with the query area 2, the transmission resource (such as resource block 1, resource block 3, And resource block 9) pre-allocation use, the transmission resources used for pre-allocation will be allocated to one or more second devices (such as UE1 and UE3) that are scheduled for uplink unlicensed retransmission.
  • the second message includes first indication information, where the first indication information indicates that in the unlicensed transmission area 2 mapped with the query area 2, the transmission resource (such as resource block 1, resource block 3, And resource block 9) pre-allocation use, the transmission resources used for pre-allocation will be allocated to one or more second devices (such as UE1 and UE3) that are scheduled for uplink unlicensed re
  • NACK negative acknowledgement
  • the first device may indicate, in the query area 2 after the sending of the NACK (which may be referred to after the time domain), the transmission resources used by the UE1 and the UE3 to perform retransmission in the unlicensed transmission area 2, such as UE1 and UE3 in the grant transmission area 2 transmit the retransmission data using the resource block 1, the resource block 3, and the resource block 9.
  • the NACK which may be referred to after the time domain
  • the first device may directly indicate the transmission resources that UE1 and UE3 use for retransmission, such as UE1.
  • the resource block 1 and the UE 3 will use the resource block 3 and the resource block 9; the UEs that need to be retransmitted, such as UE1 and UE3, and the transmission resource pool that these retransmission UEs can use, such as resource block 1, may also be indirectly indicated.
  • Resource block 3, and resource block 9, UE1 and UE3 randomly select transmission resources in resource block 1, resource block 3, and resource block 9 for retransmission.
  • the advantage of the direct indication is that collisions between UE1 and UE3 are avoided.
  • the advantage of the indirect indication is that the first device does not need to directly indicate the resource blocks that UE1 and UE3 will use. The indirect indication is smaller than the directly indicated resource overhead, and the resource can be improved. Utilization.
  • the second device (such as UE1 to UE5) that is scheduled to perform the uplink unlicensed transmission receives the second message sent by the first device in the at least one query area, where the second message carries the first indication information, and the uplink authorization is planned to be performed. And transmitting, by the second device, the pre-allocated use transmission resource in the unlicensed transmission area corresponding to the query area according to the second message.
  • UE1 to UE5 can learn that the resource block 1, the resource block 3, and the resource block 9 in the unlicensed transmission area 2 mapped with the query area 2 are pre-allocated by the first indication in the second message received in the query area 2. use. It should be noted that, as shown in FIG.
  • the second device for the second device (such as UE1) that is scheduled to retransmit, if the transmission resource used in the previous transmission (such as resource block 1 in the unlicensed transmission area 1) and the retransmission station If the transmission resource used has a mapping relationship (such as mapping to resource block 1 in the unlicensed transmission area 2), the second device scheduled to retransmit may obtain the unlicensed transmission area mapped to the query area without using the query area.
  • the transmission resource location used is pre-allocated to reduce the overhead caused by UE1 receiving the second message.
  • the transmission resource that is not allocated for use is selected with a higher probability (that is, the unallocated selection is selected.
  • the probability of transmitting the resource is greater than the probability of the pre-allocated transmission resource) to reduce the probability of collision with the second device (eg, UE1, UE3) that is scheduled to retransmit.
  • the first device that is initially transmitted may completely avoid selecting the pre-allocated transmission resource indicated in the query area to completely avoid collision with the retransmitted second device; the first device that is initially transmitted may also select the third device according to the third probability.
  • Allocating the used transmission resources, selecting the pre-allocated transmission resources according to the fourth probability generally the third probability may be greater than the fourth probability, to reduce the probability of collision with the retransmitted second device, and improving the uplink unlicensed transmission. reliability.
  • the second device plans to retransmit, such as UE1 and UE3, the second device selects the pre-allocated transmission resource with a higher probability (that is, the probability of selecting the pre-allocated transmission resource is greater than the probability of the unallocated transmission resource)
  • the probability of collision between the second device scheduled to retransmit and the second device scheduled to be transmitted is reduced.
  • the retransmitted second device may use only the pre-allocated transmission resources indicated in the query area to completely avoid collision with the first transmitted second device, if the first indication information carried in the second message is explicitly indicated
  • the transmission resource to be used by each retransmitted second device is not collided between the second devices scheduled to be retransmitted; the retransmitted second device may also select the unallocated transmission resource according to the second probability, and press
  • the first probability is to select a pre-allocated transmission resource.
  • the second probability may be smaller than the first probability, so as to reduce the probability of the retransmitted second device colliding with the first transmitted second device, and improving the reliability of the uplink unlicensed transmission. Sex.
  • the second device that is initially transmitted may select the unallocated transmission resource with a higher probability.
  • the second device refers to the first plan of the plan. The second device is not repeated here.
  • the first device that needs to be retransmitted pre-allocates transmission resources in the subsequent unlicensed transmission area, and reduces the probability of collision between the first-time device and the retransmitted second device.
  • the first device allocates different transmission resources for the retransmitted second device, so that the collision between the retransmitted second devices can be avoided, and the reliability of the uplink unlicensed transmission is improved.
  • the ACK area may be used as the query area in this example.
  • at least one query area may be merged with the ACK feedback area.
  • the ACK feedback area is the physical hybrid HARQ indicator channel (PHICH) of the area where the acknowledgment message is sent after the first device (such as the base station) receives the data sent by the at least one second device.
  • PHICH physical hybrid HARQ indicator channel
  • the first device determines at least one ACK query area (referred to as an ACK area), and a mapping relationship between the ACK area and the at least one unlicensed transmission area.
  • the ACK region not only indicates whether the unauthorized transmission in the previous unlicensed transmission region (the aforementioned third unlicensed transmission region) mapped thereto is successful, but also indicates the next unlicensed transmission region mapped thereto (the foregoing Pre-allocated transmission resources in the unlicensed transmission area corresponding to the first query area. As shown in FIG.
  • the ACK area 1-ACK area 3 corresponds to the ACK feedback area of the unlicensed area 1 to the unlicensed area 3, respectively, for the network device to confirm to the terminal device whether uplink data is received; meanwhile, the ACK area 0-ACK
  • the area 2 maps the unlicensed transmission area 1 to the unlicensed transmission area 3, respectively, for indicating pre-allocated transmission resources in the unmapped transmission area of the phase mapping.
  • the mapping herein refers not only to the mapping between the ACK area and the unlicensed transmission area, but also to the mapping of the transmission resource location in the ACK area and the transmission resource location in the unlicensed transmission area.
  • the specific transmission resource location in the ACK region 0 and the specific transmission resource location in the unlicensed transmission region 1 are also mapped to each other.
  • the transmission resources thereof It can be divided into a mapping part and a non-mapping part. For the transmission resources of the non-mapping part, it is not necessary to follow the foregoing mapping relationship.
  • the first device sends a second message in the at least one ACK area, where the second message carries first indication information, where the first indication information is used to indicate at least one that is mapped to the at least one ACK area.
  • the pre-allocated transmission resource for example, the unlicensed transmission area 1 and the non in FIG. 11
  • the uplink data transmission mapped in the unlicensed transmission area 1 is successful, and the unlicensed transmission area in the next mapping is indicated.
  • the transmission resource in the authorized transmission area 2) has not been pre-allocated; if the ACK feedback of the ACK area 1 is NACK, the uplink data transmission mapped in the unlicensed transmission area 1 fails, but the first device can recognize the uplink data transmission.
  • the second device therefore, the transmission resource in the next mapped unlicensed transmission area 2 has been pre-allocated; if the ACK feedback of the ACK area 1 is empty, that is, the first device does not send an ACK message, the unlicensed transmission area 1
  • the uplink data transmission of the medium mapping fails, and the first device cannot identify the second device that performs the uplink data transmission, so the transmission resources in the next mapped unlicensed transmission area 2 have not been pre-allocated.
  • the wireless communication system supports uplink unlicensed transmission multiple access, that is, data transmitted by multiple second devices can be simultaneously accessed on the same time-frequency domain resource.
  • data transmitted by multiple second devices can be simultaneously accessed on the same time-frequency domain resource.
  • MUSA multi-user shared access
  • multiple second devices that perform effective data transmission simultaneously on the same time-frequency domain resource need to use different spreading sequences to avoid mutual Interference.
  • multiple access increases the new dimension outside the traditional time-frequency domain resources, so that multiple second devices on the same time-frequency domain resource can simultaneously transmit data. Since there are many multiple access technologies, they will not be described here.
  • the ACK area (such as ACK area 0) can not only feed back whether the previous uplink transmission is successful, but also indicate that the corresponding transmission resource is pre-allocated and used in the unlicensed transmission area mapped to the ACK area.
  • the number of second devices For example, "1" indicates that a second device pre-allocates the transmission resource (such as a second device scheduled to retransmit), "2" indicates that two second devices pre-allocate the transmission resource, and so on.
  • a blank area or "0" indicates that the first device did not successfully receive a useful data signal on its mapped transmission resource.
  • the second device plans to perform uplink non- When the data transmission is authorized, if it is the second device that is initially transmitted, the second device selects a blank area or a transmission resource mapped by “0” for uplink unauthorized data transmission with a higher probability (for example, the foregoing third probability).
  • the second device selects a higher value according to the feedback in the ACK region 0 with a higher probability (for example, the aforementioned first probability) (ie, the first allocated transmission resource is used)
  • the transmission resources of the second device are retransmitted in the next unlicensed transmission area.
  • the ACK area indicates "2" or "3", that is, 2 or 3 second devices are scheduled to be in the next unauthorized.
  • the corresponding transmission resource in the transmission area is retransmitted.
  • the uplink data sent by the second device may be a control part and/or a data part, the control part is shorter, the control part is carried in the fifth message, and the data part is carried in the sixth message.
  • the control part includes at least the identifier of the second device or the partial identifier of the second device (such as the ID or partial ID of the UE, or other information that can identify the UE), and may also include a modulation and coding scheme (MCS), data. One or more of the size and other information; the data part is used to carry useful data information.
  • the first device (such as the base station) first receives the fifth message sent by the second device, and then demodulates the sixth message according to the information indicated in the fifth message, so as to reduce the complexity of demodulating the data portion.
  • the second device first sends a short fifth message (ie, a control part of the uplink unauthorized message), and the first device confirms whether the fifth message is successfully received in the query area (or the ACK area). If the first device successfully receives the fifth message, the first device pre-allocates the transmission resource used by the sixth message (data portion) in the unauthorized transmission area mapped by the second device in the query area.
  • a short fifth message ie, a control part of the uplink unauthorized message
  • the second device that is scheduled to send the fifth message selects the transmission resource that is not pre-allocated to send the fifth message with a higher probability (such as the fifth probability as described above) according to the indication of the query area; and the second device that plans to send the sixth message Then, according to the indication of the query area, the sixth message is sent in the mapped pre-allocated used transmission resource with a higher probability (such as the aforementioned seventh probability).
  • FIG. 13 shows a method 600 provided by an embodiment of the present application, including:
  • the first indication information in the ACK area may indicate the number of second devices that have been pre-allocated with the corresponding transmission resource in the unlicensed transmission area mapped to the ACK area, to apply the scenario of multiple access. And a plurality of second devices that use multiple access in the same time-frequency domain transmission resource, if used in a codebook/codeword in a sparse code multiple access (SCMA), or in a MUSA If the mapping rules in the spreading sequence, or the pattern division multiple access (PDMA), and the multiple other multiple access technologies are the same, it is still possible to use multiple second devices using the same mapping rule. Collision.
  • the first indication information in the ACK area may indicate the mapped transmission resource.
  • the available/used multiple access mapping rules on the source such as codewords, spreading sequences, patterns, etc., and can be further divided into a control ACK region and a data ACK region to perform ACK feedback on the control portion and the data portion, respectively.
  • the control ACK region shown in FIG. 14 corresponds to the ACK of four possible spreading sequences (B_m to B_m + 3 bits) on a certain time-frequency domain resource.
  • “1” may indicate that the corresponding spreading sequence has been pre-allocated, and the second device has planned to perform uplink unlicensed transmission in the transmission resource of the next unlicensed transmission area mapped by the ACK region, such as a plan Performing the transmission of the data part (such as the sixth message); “0” may indicate that the corresponding spreading sequence has not been pre-allocated, such as the initial transmission failure; the blank area indicates that the first device does not detect the signal, and may also indicate the corresponding The transmission resources mapped by the spreading sequence in the next unlicensed transmission area have not been pre-allocated for use.
  • the non-pre-allocated use is selected according to the query area with a higher probability (for example, the foregoing fifth probability).
  • the transmission resource may also be selected only from the transmission resources that are not pre-allocated to completely avoid collision with the sixth message sent by the other second device; if the second device plans to send the sixth message, the data portion is sent, Then, according to the query area, the transmission resource that has been pre-allocated is selected with a higher probability (for example, the foregoing seventh probability), or only the transmission resource that has been pre-allocated is selected, so as to completely avoid sending with other second devices.
  • the fifth message collided.
  • the second device may pre-allocate the transmission resources used by the subsequent longer sixth message by using the shorter fifth message, and may ensure that no other wireless communication devices compete for use in the subsequent sixth message transmission.
  • the same transmission resource in addition, for one or more second devices that plan to perform uplink unlicensed transmission, the contention of the competition transmission resource can be tested through the shorter fifth message, and the transmission of more data at a time (such as a complete non-transmission) is avoided. After the failure of the authorization data), the retransmission overhead is too large.
  • the uplink unlicensed transmission can be used at least in the URLLC and mMTC scenarios.
  • the URLLC service focuses on low latency, that is, the first transmission is fast, and the retransmission tries to ensure the success rate, while avoiding the total transmission delay exceeding the traditional authorized transmission ( Grant based transmission);
  • mMTC service is mainly small packets, the number of data to be transmitted is large, and it is not sensitive to delay, that is, it can tolerate a certain delay, and the reliability cannot be too low to avoid collision caused by a large number of retransmissions. excessive. Therefore, the first device needs to configure the unauthorized transmission area.
  • the first device divides the unlicensed transmission areas into at least two types and delivers related information: a delay-sensitive unlicensed transmission area and a highly reliable unlicensed transmission area.
  • the delay-sensitive unlicensed transmission area is the same as the traditional unlicensed transmission area, and the high-reliability unlicensed transmission area is mapped to at least one of the query areas and/or the ACK area in the method 200-method 600.
  • the transmission resources in the highly reliable unlicensed transmission area are preferentially selected for uplink unlicensed transmission, as shown in the figure.
  • the high-reliability non-authorized transmission area 2 and the high-reliability non-authorized transmission area 4 are shown in FIG. 15, and the method for specifically selecting the transmission resource is described in Method 200 - Method 600, and details are not described herein again.
  • the transmission resources in the delay-sensitive unlicensed transmission region are preferentially selected for the first uplink unlicensed transmission (ie, Pass), as shown in Figure 15, delay-sensitive unlicensed transmission areas 1 and 3; if the initial transmission fails, switch to high Retransmitting in an unlicensed transmission area (such as high-reliability unlicensed transmission area 2), while the transmission resource used by the one or more second devices to retransmit in the high-reliability unauthorized transmission area 2 is An indication is made in the phased query area 2 to ensure retransmission reliability of one or more second devices that are sensitive to delay. It should be noted that, in the query area 2, the method for instructing the one or more second devices to perform the retransmission of the transmission resource is described in the method 200-method 600, and details are not described herein again.
  • FIG. 16 shows an apparatus 700 for transmitting data according to an embodiment of the present application.
  • the apparatus 700 includes:
  • the sending unit 710 is configured to send the first indication information to the terminal device in the first query area, where the first indication information is used to indicate the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area;
  • the receiving unit 720 is configured to receive, according to the unlicensed transmission area corresponding to the first query area, data that is sent by the terminal device according to the first indication information.
  • the sending unit 710 is further configured to:
  • Second indication information is used to indicate a transmission resource location where one or more query areas are located, before the first query area sends the first indication information to the terminal device.
  • a mapping relationship between the one or more query areas and the one or more unauthorized transmission areas, the one or more query areas including the first query area, the one or more unauthorized The transmission area includes an unauthorized transmission area corresponding to the first query area.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in the unlicensed transmission area corresponding to the first query area;
  • the receiving unit 720 is specifically configured to:
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in the unlicensed transmission area corresponding to the first query area;
  • the receiving unit 710 is further specifically configured to:
  • the first query area is an ACK area
  • the first indication information is further used to indicate whether data of the third unlicensed transmission area is successfully received, and the third unlicensed transmission area time domain
  • the non-authorized transmission area corresponding to the first query area is in the time domain behind the first query area.
  • the first indication information is specifically used to indicate that the data of the third location of the third unlicensed transmission area corresponding to the first location of the ACK area is successfully received and used to indicate the first Position corresponding
  • the third location of the transmission resource is not allocated, and the third location is a transmission resource location in the unlicensed transmission area corresponding to the first query area; or the first indication information is further used to indicate the second location.
  • the data is not successfully received and is used to indicate that the transmission resource of the third location has been pre-allocated.
  • the sending unit 720 is specifically configured to:
  • the first indication information is sent to the terminal device in the first query area.
  • the sending unit 710 is further configured to:
  • the first query area Before the first query area sends the first indication information to the terminal device, send, to the terminal device, transmission area configuration information, where the transmission area configuration information is used to indicate that the terminal device of the mass Internet of Things communication mMTC type adopts one or more One or more unlicensed transmission area transmission data corresponding to the query area and the low-latency high-reliability communication URLLC type terminal device transmit one or more unlicensed transmission areas corresponding to one or more query areas when the initial transmission fails. data.
  • the sending unit 710 is specifically configured to:
  • the sending unit is further specifically configured to:
  • the first indication information is sent to the terminal device in the first query area by using a system information block SIB message or a broadcast message or a multicast message.
  • the apparatus 700 herein is embodied in the form of a functional unit.
  • the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group) for executing one or more software or firmware programs. Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • processor eg, a shared processor, a proprietary processor, or a group
  • memory merge logic, and/or other suitable components that support the described functionality.
  • the device 700 may be specifically the network device in the foregoing method embodiment, and the device 700 may be used to perform various processes and/or steps corresponding to the network device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.
  • FIG. 17 shows an apparatus 800 for transmitting data according to an embodiment of the present application.
  • the apparatus 800 includes:
  • the receiving unit 810 is configured to receive the first indication information that is sent by the network device in the first query area, where the first indication information is used to indicate the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area;
  • a determining unit 820 configured to determine, according to the first indication information, a first transmission resource used by the sending data in the unlicensed transmission area corresponding to the first query area;
  • the sending unit 830 is configured to send data to the network device on the first transmission resource.
  • the receiving unit 810 is further configured to:
  • the first indication information sent by the network device where the second indication information is sent by the network device, where the second indication information is used to indicate a location of the transmission resource where the one or more query areas are located.
  • a mapping relationship between the one or more query areas and one or more unlicensed transmission areas, the one or more query areas including the first query area, the one or more unauthorized transmission areas Include an unlicensed transmission area corresponding to the first query area;
  • the determining unit 820 is further configured to: determine, according to the location of the transmission resource where the first query area is indicated by the second indication information, the first query area.
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in the unlicensed transmission area corresponding to the first query area;
  • the determining unit 820 is further specifically configured to:
  • the sending unit 830 is specifically configured to:
  • the determining unit 820 is further configured to:
  • the sending single 830 yuan is also specifically used for:
  • the first indication information is specifically used to indicate a pre-allocated transmission resource and/or an unallocated transmission resource in the unlicensed transmission area corresponding to the first query area;
  • the determining unit 820 is further configured to:
  • the sending unit 830 is specifically configured to:
  • the determining unit 820 is further specifically configured to:
  • the sending unit 830 is specifically configured to:
  • the data comprises the control portion and/or the data portion.
  • the first query area is an ACK area
  • the first indication information is further used to indicate whether data of the third unlicensed transmission area is successfully received, and the third unlicensed transmission area time domain
  • the non-authorized transmission area corresponding to the first query area is behind the first query area in the time domain, in front of the unlicensed transmission area corresponding to the first query area;
  • the determining unit 820 is further specifically configured to:
  • the first indication information is specifically used to indicate that the data of the second location of the third unlicensed transmission area corresponding to the first location of the ACK area is successfully received, and is used to indicate that the first location corresponds to The transmission resource in the third location is not allocated, and the third location is a transmission resource location in the unlicensed transmission area corresponding to the first query area; or the first indication information is further used to indicate the second location.
  • the data is not successfully received and is used to indicate that the transmission resource of the third location has been pre-allocated.
  • the receiving unit 810 is further configured to:
  • the transmission area configuration information is used to indicate that the terminal device of the mMTC type transmits data by using one or more unlicensed transmission areas corresponding to one or more query areas, and the terminal device of the URLLC type fails in the initial transmission. Transmitting data using one or more unlicensed transmission areas corresponding to one or more query areas;
  • the device If the device is a terminal device of the mMTC type, the device transmits data according to the transmission area configuration information by using one or more unlicensed transmission areas corresponding to one or more query areas according to the transmission area configuration information.
  • the apparatus 800 herein is embodied in the form of a functional unit.
  • the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group) for executing one or more software or firmware programs. Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • processor eg, a shared processor, a proprietary processor, or a group
  • memory merge logic, and/or other suitable components that support the described functionality.
  • the device 800 may be specifically the terminal device in the foregoing method embodiment, and the device 800 may be used to perform various processes and/or steps corresponding to the terminal device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.
  • FIG. 18 shows an apparatus 900 for transmitting data according to an embodiment of the present application.
  • the apparatus 900 includes:
  • the sending unit 910 is configured to send second indication information to the terminal device, where the second indication information is used to indicate a transmission resource location where the one or more query areas are located, and the one or more query areas and one or more unauthorized The mapping relationship between transmission areas.
  • the apparatus 900 further includes a determining unit 920, configured to determine, before sending the second indication information to the terminal device, a transmission resource location where the one or more query areas are located, and the first or A mapping relationship between the plurality of query areas and the one or more unauthorized transfer areas.
  • a determining unit 920 configured to determine, before sending the second indication information to the terminal device, a transmission resource location where the one or more query areas are located, and the first or A mapping relationship between the plurality of query areas and the one or more unauthorized transfer areas.
  • the sending unit 910 is further configured to: after sending the second indication information to the terminal device, send a first indication to the terminal device in a first query area of the one or more query areas.
  • the first indication information is used to indicate the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area; the network device receives the information in the unlicensed transmission area corresponding to the first query area. Decoding data sent by the terminal device according to the first indication information.
  • the apparatus 900 herein is embodied in the form of a functional unit.
  • the term "unit" as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group) for executing one or more software or firmware programs. Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • the device 900 may be specifically the network device in the foregoing method embodiment, and the device 900 may be used to perform various processes and/or steps corresponding to the network device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.
  • FIG. 19 shows an apparatus 1000 for transmitting data according to an embodiment of the present application.
  • the apparatus 1000 includes:
  • the receiving unit 1010 is configured to receive second indication information that is sent by the network device, where the second indication information is used to indicate a transmission resource location where the one or more query areas are located, and the one or more query areas and multiple non-authorizations. Mapping relationship between transmission areas;
  • the determining unit 1020 is configured to determine, according to the second indication information, a transmission resource location of the one or more query areas and an unlicensed transmission area corresponding to the first query area of the one or more query areas.
  • the receiving unit 1010 is further configured to: after receiving the second indication information sent by the network device, receive the network device in a first query area of the one or more query areas.
  • the determining unit 1020 is further configured to: determine, according to the first indication information, a transmission resource used for transmitting data in an unlicensed transmission area corresponding to the first query area; the apparatus 1000
  • the method further includes: a sending unit, configured to send data to the network device on the transmission resource.
  • the apparatus 1000 herein is embodied in the form of a functional unit.
  • the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group) for executing one or more software or firmware programs. Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • processor eg, a shared processor, a proprietary processor, or a group
  • memory merge logic, and/or other suitable components that support the described functionality.
  • the device 1000 may be specifically the terminal device in the foregoing method embodiment, and the device 1000 may be used to perform various processes and/or steps corresponding to the terminal device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.
  • the network device or the terminal device in any one of the foregoing devices and the device 1000 is completely corresponding to the network device or the terminal device in the embodiment, and the corresponding step is performed by the corresponding unit, for example, the transceiver unit method performs the transmitting and receiving steps in the method embodiment, except for sending and receiving. Other steps can be performed by the processing module.
  • the processing module For the function of the specific module, reference may be made to the corresponding method embodiment, which is not described in detail.
  • the network device and the terminal device of the foregoing various solutions have the functions of implementing the corresponding steps performed by the network device and the terminal device in the foregoing method; the functions may be implemented by using hardware or by executing corresponding software through hardware.
  • the hardware or software includes one or more modules corresponding to the above functions; for example, the transmitting unit may be replaced by a transmitter, the receiving unit may be replaced by a receiver, and other units such as a determining unit may be replaced by a processor and executed separately Transceiver operations and associated processing operations in various method embodiments.
  • FIG. 20 shows another apparatus 1100 for transmitting data provided by an embodiment of the present application.
  • the apparatus 1100 includes a processor 1110, a transceiver 1120, and a memory 1130.
  • the processor 1110, the transceiver 1120, and the memory 1130 communicate with each other through an internal connection path.
  • the memory 1130 is configured to store an instruction
  • the processor 1110 is configured to execute an instruction stored by the memory 1130 to control the transceiver 1120 to send a signal and / or receive signals.
  • the transceiver 1120 is configured to send the first indication information to the terminal device in the first query area, where the first indication information is used to indicate the allocation of the transmission resources in the unlicensed transmission area corresponding to the first query area.
  • the transceiver 1120 is further configured to receive, by the unlicensed transmission area corresponding to the first query area, data that is sent by the terminal device according to the first indication information.
  • the device 1100 may be specifically the network device in the foregoing method embodiment, and may be used to perform various steps and/or processes corresponding to the network device in the foregoing method 200.
  • the memory 1130 can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
  • the memory can also store information of the device type.
  • the processor 1110 can be configured to execute instructions stored in a memory, and when the processor 1110 executes instructions stored in the memory, the processor 1110 is configured to perform the various steps of the method embodiment corresponding to the network device and/or Or process.
  • FIG. 21 shows still another apparatus 1200 for transmitting data according to an embodiment of the present application.
  • the apparatus 1200 includes a processor 1210, a transceiver 1220, and a memory 1230.
  • the processor 1210, the transceiver 1220, and the memory 1230 communicate with each other through an internal connection path.
  • the memory 1230 is configured to store instructions, and the processor 1210 is configured to execute instructions stored by the memory 1230 to control the transceiver 1220 to send signals and / or receive signals.
  • the transceiver 1220 is configured to receive first indication information that is sent by the network device in the first query area, where the first indication information is used to indicate allocation of transmission resources in the unlicensed transmission area corresponding to the first query area.
  • the processor 1210 is configured to determine, according to the first indication information, an unlicensed transmission area corresponding to the first query area.
  • the first transmission resource used for transmitting data is determined; the transceiver 1220 is further configured to send data to the network device on the first transmission resource.
  • the device 1200 may be specifically the terminal device in the foregoing method embodiment, and may be used to perform various steps and/or processes corresponding to the terminal device in the foregoing method embodiment.
  • the memory 1230 can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
  • the memory can also store information of the device type.
  • the processor 1210 can be configured to execute instructions stored in a memory, and when the processor 2210 executes instructions stored in the memory, the processor 1210 is configured to perform the various steps of the method embodiments corresponding to the terminal device described above and/or Or process.
  • FIG. 22 shows still another apparatus 1300 for transmitting data according to an embodiment of the present application.
  • the apparatus 1300 includes a processor 1310, a transceiver 1320, and a memory 1330.
  • the processor 1310, the transceiver 1320, and the memory 1330 communicate with each other through an internal connection path.
  • the memory 1330 is configured to store instructions, and the processor 1310 is configured to execute instructions stored by the memory 1330 to control the transceiver 1320 to send signals and / or receive signals.
  • the transceiver 1320 is configured to send second indication information to the terminal device, where the second indication information is used to indicate a transmission resource location where the one or more query areas are located, and the one or more query areas and one or more The mapping relationship between unauthorized transmission areas.
  • the processor 1310 is configured to determine, before sending the second indication information to the terminal device, a transmission resource location where the one or more query areas are located, and the first one or more query areas and the A mapping relationship between one or more unauthorized transmission areas.
  • the device 1300 may be specifically the network device in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the network device in the foregoing method embodiment.
  • the memory 1330 can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
  • the memory can also store information of the device type.
  • the processor 1310 can be configured to execute instructions stored in a memory, and when the processor 1310 executes instructions stored in the memory, the processor 1310 is configured to perform the various steps of the method embodiments corresponding to the network device described above and/or Or process.
  • FIG. 23 shows another apparatus 1400 for transmitting data provided by an embodiment of the present application.
  • the apparatus 1400 includes a processor 1410, a transceiver 1420, and a memory 1430.
  • the processor 1410, the transceiver 1420, and the memory 1430 communicate with each other through an internal connection path.
  • the memory 1430 is configured to store instructions, and the processor 1410 is configured to execute instructions stored by the memory 1430 to control the transceiver 1420 to send signals and / or receive signals.
  • the transceiver 1420 is configured to receive second indication information that is sent by the network device, where the second indication information is used to indicate a transmission resource location where the one or more query areas are located, and the one or more query areas and the multiple Authorizing the mapping relationship between the transmission areas; the processor 1410 is further configured to determine, according to the second indication information, a transmission resource location of the one or more query areas and a first query area of the one or more query areas Corresponding unlicensed transmission area.
  • the device 1400 may be specifically the terminal device in the foregoing method embodiment, and may be used to perform various steps and/or processes corresponding to the terminal device in the foregoing method embodiment.
  • the memory 1430 can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
  • the memory can also store information of the device type.
  • the processor 1410 can be configured to execute instructions stored in a memory, and when the processor 1410 executes instructions stored in the memory, the processor 1410 is configured to perform the various steps of the method embodiment corresponding to the terminal device described above and/or Or process.
  • the transceiver described above can include a transmitter and a receiver.
  • the transceiver may further include an antenna, and the number of antennas may be one or more.
  • the memory can be a separate device or integrated into the processor.
  • the above various devices or parts of the device can be integrated into the chip for implementation, such as integration into a baseband chip.
  • the processor of the foregoing device may be a central processing unit (CPU), and the processor may also be another general-purpose processor, a digital signal processor (DSP). ), application specific integrated circuit (ASIC), field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software units in the processor.
  • the software unit can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in a memory, and the processor executes instructions in the memory, in combination with hardware to perform the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL), or wireless (eg, infrared, wireless, microwave, etc.).
  • the readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the available media can be magnetic media (eg, a floppy disk, a hard disk, Magnetic tape), optical medium (for example, DVD), or semiconductor medium (such as solid state disk (SSD)).
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interface, device Or an indirect coupling or communication connection of the unit, which may be in electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program code. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Selon certains modes de réalisation, la présente invention concerne un procédé de transmission de données, comprenant les étapes suivantes : un dispositif de réseau envoie des premières informations d'indication à un dispositif terminal dans une première zone d'interrogation, les premières informations d'indication étant utilisées pour indiquer la distribution de ressources de transmission dans une zone de transmission non autorisée correspondant à la première zone d'interrogation ; le dispositif de réseau reçoit des données envoyées par le dispositif terminal selon les premières informations d'indication dans la zone de transmission non autorisée correspondant à la première zone d'interrogation, ce qui contribue ainsi à améliorer la fiabilité de transmission de données.
PCT/CN2017/087238 2017-04-26 2017-06-06 Procédé et dispositif de transmission de données WO2018196103A1 (fr)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
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WO2016121916A1 (fr) * 2015-01-29 2016-08-04 株式会社Ｎｔｔドコモ Terminal utilisateur, station de base sans fil et procédé de communication sans fil
CN106162909A (zh) * 2015-04-13 2016-11-23 中国移动通信集团公司 一种非授权频段下的上行数据传输方法及装置
EP3113530A1 (fr) * 2015-06-30 2017-01-04 Alcatel Lucent Noeud de communication sans fil et procédé de réservation d'une période de temps pour des communications sur une bande de fréquence partagée entre deux technologies de communications sans fil différentes
CN106507497A (zh) * 2015-09-08 2017-03-15 华为技术有限公司 用于上行数据传输的方法、终端设备和网络设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016121916A1 (fr) * 2015-01-29 2016-08-04 株式会社Ｎｔｔドコモ Terminal utilisateur, station de base sans fil et procédé de communication sans fil
CN106162909A (zh) * 2015-04-13 2016-11-23 中国移动通信集团公司 一种非授权频段下的上行数据传输方法及装置
EP3113530A1 (fr) * 2015-06-30 2017-01-04 Alcatel Lucent Noeud de communication sans fil et procédé de réservation d'une période de temps pour des communications sur une bande de fréquence partagée entre deux technologies de communications sans fil différentes
CN106507497A (zh) * 2015-09-08 2017-03-15 华为技术有限公司 用于上行数据传输的方法、终端设备和网络设备
CN105517061A (zh) * 2016-01-15 2016-04-20 宇龙计算机通信科技(深圳)有限公司 一种非授权频谱上指示上行子帧的方法及装置

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CN109479284B (zh) 2020-12-25

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